/*
 * Copyright (c) 2010, 2011
 *	Open Source Technologies Ltd.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the company nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COMPANY AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
#include <string.h>
#include <stdint.h>
#include <assert.h>

#include "defs.h"
#include "string.h"
#include "comparator.h"

int
comparator_int(intptr_t left, intptr_t right)
{
	if ((int)left < (int)right)
		return -1;
	if ((int)left > (int)right)
		return 1;

	return 0;
}

int
comparator_ptr(intptr_t left, intptr_t right)
{
	if ((void *)left < (void *)right)
		return -1;
	if ((void *)left > (void *)right)
		return 1;

	return 0;
}

int
comparator_cstr(intptr_t left, intptr_t right)
{
	assert(left != (intptr_t)NULL);
	assert(right != (intptr_t)NULL);

	return strcmp((char *)left, (char *)right);
}

int
comparator_string(intptr_t left, intptr_t right)
{
	assert(left != (intptr_t)NULL);
	assert(right != (intptr_t)NULL);

	return string_compare((string_t *)left, (string_t *)right);
}
